Year	Percent of GDP
2004	61.659
2005	61.334
2006	58.625
2007	23.818
2008	25.516
2009	18.791
2010	19.613
2011	15.458
2012	18.639
2013	19.615
2014	16.102
2015	12.086
2016	15.769
2017	19.119
2018	19.802
2019	20.512
2020	20.895
2021	21.209
2022	21.356
2023	21.659
2024	21.631